Sr. IOS Mobile Application Developer

Cupertino, CA, us on site Until 8/21/2026 First posted February 23, 2026 Last posted February 23, 2026
Job description

Strong knowledge of data structures and algorithms. 

Expert level proficiency in iOS development with strong iOS, Cocoa/Objective-C/Objective-C++, and iOS SDK, with a minimum of 2 years of iOS development experience for mobile platforms. 

Software design skills, including debugging, performance analysis and optimization for both mobile and desktop applications. 

Knowledge of one or more scripting languages (JavaScript, Python, Perl). 

Prior experience using version control software, including Git. 

Deep experience with iOS frameworks such as Core Data, Core Animation, Core Graphics, and Core Text 

Up-to-speed with the latest iOS version changes, features and requirements. 

Preferred Qualifications Expertise in one or more of the following areas is preferred: 

Previously published apps in iTunes store. 

User interface development experience for iOS. 

Experience with Interface Builder, Xcode and Cocoa Touch. Understanding of how to create adaptive interfaces that work for multiple device form factors. 

Intimate knowledge of iOS design patterns and Interface Guidelines. 

Experience with Linux/Unix OS, Eclipse IDE, and Linux command-line. 

Solid understanding of XML, JSON, REST, SOAP, OAuth 

Experience with front-end web technologies. 

Expertise in HTML5, CSS3 

Digital-media delivery, HTTP Adaptive Streaming, HLS, HDS, Smooth Streaming, MPEG, AAC & MP3 processing. 

Experience developing client-server applications. 

Good understanding of multithreading and inter-process communication. 

Experience designing for performance, scalability and availability, and optimization for mobile platforms. 

User interface development experience for iOS and/or Android. 

Understanding of how to create adaptive interfaces that work for multiple device form factors. 

Familiarity with databases and database concepts, including MongoDB and/or Oracle. 

Prior experience with Windows development (Visual Studio IDE).

iOS, Cocoa/Objective-C/Objective-C++

Multiple Openings 

About this role

Summary

Develop and optimize iOS applications, implement UI, and ensure performance and scalability.

Job title

Sr. IOS Mobile Application Developer

Experience level

2+ years

Industry

software

Location requirements

must be located in Cupertino, CA, US; remote not specified

Salary

Not specified

Management role

No

Skills & keywords

Required skills

ioscocoaobjective-cobjective-c++ios sdkgitcore datacore animationcore graphicscore textjsonrestsoapoauthhtml5css3http adaptive streamingmpegaacmp3multithreadingdatabase

Preferred skills

published appsinterface builderxcodecocoa touchios design patternsinterface guidelineslinuxunixxmlweb technologiesmongodboraclevisual studio

Specializations

ios developmentui designperformance optimizationmultithreadingclient-server
Locations

Structured locations inferred from the posting.

Cupertino, CA, USA

On-site City